Many thicker canned soups such as tomato or cream of whatever soup have a tendency to stick to the inside of the can and must usually be scraped out with a spoon. Vimeo user Wes Kennedy found that once you remove the lid you can have these soups pour easily by puncturing the back of the can with a knife or other sharp object.

This allows air to release the vacuum between the can and the soup and results in a clean pour with no residue left in the can. Check out the video above for a demonstration.